http://tags.library.upenn.edu/tag/digital_library+open_access PennTags Feed http://tags.library.upenn.edu/makerecord/url/485 http://tags.library.upenn.edu/makerecord/url/485 UC is one of about 100 libraries joining the <a target="_blank" href="http://www.opencontentalliance.org">Open Content Alliance.<img border="0" src="chrome://targetalert/content/skin/new.png" class="TargetAlertIcon" /></a><br />